63850989145 has 8 divisors (see below), whose sum is σ = 77919851520. Its totient is φ = 50215014960.

The previous prime is 63850989127. The next prime is 63850989157. The reversal of 63850989145 is 54198905836.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63850989145 - 2¹⁷ = 63850858073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63850989145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108221721 + ... + 108222310.

It is an arithmetic number, because the mean of its divisors is an integer number (9739981440).

Almost surely, 2^63850989145 is an apocalyptic number.

It is an amenable number.

63850989145 is a deficient number, since it is larger than the sum of its proper divisors (14068862375).

63850989145 is a wasteful number, since it uses less digits than its factorization.

63850989145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216444095.

The product of its (nonzero) digits is 9331200, while the sum is 58.

The spelling of 63850989145 in words is "sixty-three billion, eight hundred fifty million, nine hundred eighty-nine thousand, one hundred forty-five".